<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        *{
            margin: 0;
            padding: 0;
        }

        .box{
            width: 200px;
            height: 200px;
            padding: 20px;
            box-sizing: border-box;
            margin: 10px;
            border: 10px solid red;
            background-color: pink;
        }
    </style>
</head>
<body>
    <div class="box"></div>
</body>
</html>